AR-15 Shoots Through Body Armor

This is a Sig M400 with a 16" barrel and 1:7 twist. Ammo is Independence xm193, distance is 7-yards. Keep in mind that Level III plates ARE NOT rated for 5.56, they are only rated for 7.62 NATO @ 2800 fps. There is nothing wrong with this armor; in fact, it is affordable and effective on the majority of rifles and most all handguns and shotguns.